In the aftermath of the London terror attack which has left four people dead and OKASANNOANARU-02many more injured, people have been sharing messages of hope and defiance on Twitter.

J.K. Rowling is no exception. On Wednesday evening, the author responded to a tweet from radio presenter Julia Hartley-Brewer with a message of resistance.

Here's Hartley-Brewer's original tweet.

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And here's Rowling's response, which came later that night.

At the time of writing, her message had been retweeted over 10,000 times.

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Topics JK Rowling X/Twitter